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-rw-r--r--ncurses-5.3/ncurses/trace/visbuf.c270
1 files changed, 270 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/trace/visbuf.c b/ncurses-5.3/ncurses/trace/visbuf.c
new file mode 100644
index 0000000..f56c396
--- /dev/null
+++ b/ncurses-5.3/ncurses/trace/visbuf.c
@@ -0,0 +1,270 @@
+/****************************************************************************
+ * Copyright (c) 2001 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Author: Thomas E. Dickey 1996-2001 *
+ * and: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ ****************************************************************************/
+
+/*
+ * visbuf.c - Tracing/Debugging support routines
+ */
+
+#include <curses.priv.h>
+
+#include <tic.h>
+#include <ctype.h>
+
+MODULE_ID("$Id$")
+
+static char *
+_nc_vischar(char *tp, unsigned c)
+{
+ if (c == '"' || c == '\\') {
+ *tp++ = '\\';
+ *tp++ = c;
+ } else if (is7bits(c) && (isgraph(c) || c == ' ')) {
+ *tp++ = c;
+ } else if (c == '\n') {
+ *tp++ = '\\';
+ *tp++ = 'n';
+ } else if (c == '\r') {
+ *tp++ = '\\';
+ *tp++ = 'r';
+ } else if (c == '\b') {
+ *tp++ = '\\';
+ *tp++ = 'b';
+ } else if (c == '\033') {
+ *tp++ = '\\';
+ *tp++ = 'e';
+ } else if (is7bits(c) && iscntrl(UChar(c))) {
+ *tp++ = '\\';
+ *tp++ = '^';
+ *tp++ = '@' + c;
+ } else {
+ sprintf(tp, "\\%03lo", ChCharOf(c));
+ tp += strlen(tp);
+ }
+ return tp;
+}
+
+static const char *
+_nc_visbuf2n(int bufnum, const char *buf, int len)
+{
+ char *vbuf;
+ char *tp;
+ int c;
+
+ if (buf == 0)
+ return ("(null)");
+ if (buf == CANCELLED_STRING)
+ return ("(cancelled)");
+
+ if (len < 0)
+ len = strlen(buf);
+
+#ifdef TRACE
+ tp = vbuf = _nc_trace_buf(bufnum, (unsigned) (len * 4) + 5);
+#else
+ {
+ static char *mybuf[2];
+ mybuf[bufnum] = typeRealloc(char, (unsigned) (len * 4) + 5, mybuf[bufnum]);
+ tp = vbuf = mybuf[bufnum];
+ }
+#endif
+ *tp++ = D_QUOTE;
+ while ((--len >= 0) && (c = *buf++) != '\0') {
+ tp = _nc_vischar(tp, UChar(c));
+ }
+ *tp++ = D_QUOTE;
+ *tp++ = '\0';
+ return (vbuf);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_visbuf2(int bufnum, const char *buf)
+{
+ return _nc_visbuf2n(bufnum, buf, -1);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_visbuf(const char *buf)
+{
+ return _nc_visbuf2(0, buf);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_visbufn(const char *buf, int len)
+{
+ return _nc_visbuf2n(0, buf, len);
+}
+
+#if USE_WIDEC_SUPPORT
+#ifdef TRACE
+static const char *
+_nc_viswbuf2n(int bufnum, const wchar_t * buf, int len)
+{
+ char *vbuf;
+ char *tp;
+ wchar_t c;
+
+ if (buf == 0)
+ return ("(null)");
+
+ if (len < 0)
+ len = wcslen(buf);
+
+#ifdef TRACE
+ tp = vbuf = _nc_trace_buf(bufnum, (unsigned) (len * 4) + 5);
+#else
+ {
+ static char *mybuf[2];
+ mybuf[bufnum] = typeRealloc(char, (unsigned) (len * 4) + 5, mybuf[bufnum]);
+ tp = vbuf = mybuf[bufnum];
+ }
+#endif
+ *tp++ = D_QUOTE;
+ while ((--len >= 0) && (c = *buf++) != '\0') {
+ char temp[CCHARW_MAX + 80];
+ int j = wctomb(temp, c), k;
+ if (j <= 0) {
+ sprintf(temp, "\\u%08X", (wint_t) c);
+ j = strlen(temp);
+ }
+ for (k = 0; k < j; ++k) {
+ tp = _nc_vischar(tp, temp[k]);
+ }
+ }
+ *tp++ = D_QUOTE;
+ *tp++ = '\0';
+ return (vbuf);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_viswbuf2(int bufnum, const wchar_t * buf)
+{
+ return _nc_viswbuf2n(bufnum, buf, -1);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_viswbuf(const wchar_t * buf)
+{
+ return _nc_viswbuf2(0, buf);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_viswbufn(const wchar_t * buf, int len)
+{
+ return _nc_viswbuf2n(0, buf, len);
+}
+
+NCURSES_EXPORT(const char *)
+_nc_viscbuf2(int bufnum, const cchar_t * buf, int len)
+{
+ size_t have = BUFSIZ;
+ char *result = _nc_trace_buf(bufnum, have);
+ char *tp = result;
+ int n;
+ bool same = TRUE;
+ attr_t attr = A_NORMAL;
+ const char *found;
+
+ if (len < 0)
+ len = _nc_wchstrlen(buf);
+
+ for (n = 1; n < len; n++) {
+ if (AttrOf(buf[n]) != AttrOf(buf[0])) {
+ same = FALSE;
+ break;
+ }
+ }
+
+ /*
+ * If the rendition is the same for the whole string, display it as a
+ * quoted string, followed by the rendition. Otherwise, use the more
+ * detailed trace function that displays each character separately.
+ */
+ if (same) {
+ *tp++ = D_QUOTE;
+ while (len-- > 0) {
+ if ((found = _nc_altcharset_name(attr, CharOfD(buf))) != 0) {
+ (void) strcpy(tp, found);
+ tp += strlen(tp);
+ attr &= ~A_ALTCHARSET;
+ } else if (!isnac(CHDEREF(buf))) {
+ PUTC_DATA;
+
+ memset(&PUT_st, '\0', sizeof(PUT_st));
+ PUTC_i = 0;
+ do {
+ PUTC_ch = PUTC_i < CCHARW_MAX ? buf->chars[PUTC_i] : L'\0';
+ PUTC_n = wcrtomb(PUTC_buf, buf->chars[PUTC_i], &PUT_st);
+ if (PUTC_ch == L'\0')
+ --PUTC_n;
+ if (PUTC_n <= 0)
+ break;
+ for (n = 0; n < PUTC_n; n++) {
+ tp = _nc_vischar(tp, UChar(PUTC_buf[n]));
+ }
+ ++PUTC_i;
+ } while (PUTC_ch != L'\0');
+ }
+ buf++;
+ }
+ *tp++ = D_QUOTE;
+ *tp++ = '\0';
+ if (attr != A_NORMAL)
+ (void) sprintf(tp, " | %s",
+ _traceattr2(bufnum + 20, attr));
+ } else {
+ *tp++ = L_BRACE;
+ while (len-- > 0) {
+ char *temp = _tracecchar_t2(bufnum + 20, buf++);
+ size_t used = (tp - result);
+ size_t want = strlen(temp) + 5 + used;
+ if (want > have) {
+ result = _nc_trace_buf(bufnum, have = want);
+ tp = result + used;
+ }
+ (void) strcpy(tp, temp);
+ tp += strlen(tp);
+ }
+ *tp++ = R_BRACE;
+ *tp++ = '\0';
+ }
+ return result;
+}
+
+NCURSES_EXPORT(const char *)
+_nc_viscbuf(const cchar_t * buf, int len)
+{
+ return _nc_viscbuf2(0, buf, len);
+}
+#endif /* TRACE */
+#endif /* USE_WIDEC_SUPPORT */
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